Merge remote-tracking branch 'origin/v0.2' into zhaoyang
modify msg add table,db info about a file
fix ObjectStore
Fix NumberFormatException for create_file_by_policy; fix NullPointer for filterTableFiles; fix version check bug inf create_file_by_policy.
add grant schema
Merge remote-tracking branch 'origin/v0.2' into zhuqihan
modify alter dbproperties change null to not null
modify alterFileSplit but not successfully
Bug fixing commit: reopen, checker thread, listDevice ...
alter filesplitby
Merge remote-tracking branch 'origin/v0.2' into zhuqihan
modify and add msg:splitkey,partition
alter create view sucessfully
alterFIlesplitedBy have some bugs commit to let Zjw merge my code.
Bug fix for online version: add statfs, add offline file location, file replication on shared device, void file removal, disk usage stat, close_file, file operation audit, ...
modify alterSplitedBy successfully
modify some msg
merge with zqh the first time
Raise close/rep limit for each hour; fix FAIL:REP handling.
modify rename table columnname if the column is the one which table splited by then we can't rename it